A Mesocosm Study of Fate and Effects of CuO Nanoparticles on Endobenthic Species (Scrobicularia plana, Hediste diversicolor)

被引：123

作者：

Buffet, Pierre-Emmanuel ^{[1
]}

Richard, Marion ^{[2
,3
]}

Caupos, Fanny ^{[2
]}

Vergnoux, Aurore ^{[1
]}

Perrein-Ettajani, Hanane ^{[1
]}

Luna-Acosta, Andrea ^{[2
]}

Akcha, Farida ^{[4
]}

Amiard, Jean-Claude ^{[1
]}

Amiard-Triquet, Claude ^{[1
]}

Guibbolini, Marielle ^{[5
]}

Risso-De Faverney, Christine ^{[5
]}

Thomas-Guyon, Helene ^{[2
]}

Reip, Paul

Dybowska, Agnieska ^{[6
]}

Berhanu, Deborah ^{[6
]}

Valsami-Jones, Eugenia ^{[6
,7
]}

Mouneyrac, Catherine ^{[1
]}

机构：

[1] Univ Catholique Ouest, Univ Nantes, Grp Mer, Sante MMS, Angers, France

[2] Univ La Rochelle, Littoral Environm & Soc LIENSs, La Rochelle, France

[3] Univ Bordeaux 1, UMR, EPOC 5805, F-33405 Talence, France

[4] IFREMER, Lab Ecotoxicol, F-44311 Nantes 03, France

[5] Univ Nice Sophia Antipolis, ECOMERS, Nice, France

[6] Nat Hist Museum, Dept Earth Sci, London SW7 5BD, England

[7] Univ Birmingham, Sch Geog Earth & Environm Sci, Birmingham B15 2TT, W Midlands, England

来源：

ENVIRONMENTAL SCIENCE & TECHNOLOGY | 2013年 / 47卷 / 03期

关键词：

TITANIUM-DIOXIDE NANOPARTICLES; ESTUARINE SEDIMENTS; DNA-DAMAGE; TOXICITY; COPPER; NANOMATERIALS; EXPOSURE; NANO; INVERTEBRATES; DISTURBANCES;

D O I：

10.1021/es303513r

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The fate and effects of CuO nanoparticles (CuO NPs) were examined in endobenthic species (Scrobicularia plana, Hediste diversicolor), under environmentally realistic conditions in outdoor mesocosms (exposure to Cu at 10 mu g L-1 in particulate (CuO NPs) or soluble salt (CuNO3) forms) for 21 days. Labile Cu was determined in water and sediment by using diffusive gradient in thin films. No labile Cu being detected from CuO NPs; the observed effects in invertebrates exposed to CuO NPs were mainly attributed to the toxicity of nanoparticulate rather than dissolved Cu toxicity. Bioaccumulation of CuO NPs was observed in both species. Biomarkers were examined at different levels of biological organization: biochemical markers of defense and damage, biomarkers of genotoxicity (comet assay), and behavioral biomarkers (feeding and burrowing). Behavioral biomarkers, antioxidant defenses (catalase, glutathion S-transferase, metallothionein), and genotoxicity are the most sensitive tools to highlight the effect of soluble or nanoparticulate metal forms. Concerning other biomarkers of defense (superoxide dismutase, dehydrogenase, laccase) and damage (thiobarbituric acid reactive substances, acetylcholinesterase, acid phosphatase), no significant effects were detected. This experiment shows the suitability of mesocosms for studying the environmental effects of nanoparticles.

引用

页码：1620 / 1628

页数：9

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